package cn.dliyy.warehouse.controller;

import java.util.List;   

import javax.servlet.http.HttpServletRequest;   
import javax.servlet.http.HttpServletResponse;   
  
import org.apache.commons.logging.Log;   
import org.apache.commons.logging.LogFactory;   
import org.springframework.beans.factory.annotation.Autowired;   
import org.springframework.stereotype.Controller;   
import org.springframework.ui.ModelMap;   
import org.springframework.web.bind.annotation.RequestMapping;   
import org.springframework.web.bind.annotation.RequestParam;   

import cn.dliyy.warehouse.bean.Student;
import cn.dliyy.warehouse.service.StudentService;
  
  
@Controller  
@RequestMapping("/student.do")   
public class StudentController {   
    protected final transient Log log = LogFactory   
    .getLog(StudentController.class);   
    @Autowired  
    private StudentService studentService;   
    public StudentController(){   
           
    }   
       
    @RequestMapping  
    public String load(ModelMap modelMap){   
        List<Object> list = studentService.getStudentList();   
        modelMap.put("list", list);   
        return "student";   
    }   
       
    @RequestMapping(params = "method=add")   
    public String add(HttpServletRequest request, ModelMap modelMap) throws Exception{   
        return "student_add";   
    }   
       
    @RequestMapping(params = "method=save")   
    public String save(HttpServletRequest request, ModelMap modelMap){   
        String user = request.getParameter("user");   
        String psw = request.getParameter("psw");   
        Student st = new Student();   
        st.setUser(user);   
        st.setPsw(psw);   
        try{   
            studentService.save(st);   
            modelMap.put("addstate", "添加成功");   
        }   
        catch(Exception e){   
            log.error(e.getMessage());   
            modelMap.put("addstate", "添加失败");   
        }   
           
        return "student_add";   
    }   
       
    @RequestMapping(params = "method=del")   
    public void del(@RequestParam("id") String id, HttpServletResponse response){   
        try{   
            Student st = new Student();   
            st.setId(Integer.valueOf(id));   
            studentService.delete(st);   
            response.getWriter().print("{\"del\":\"true\"}");   
        }   
        catch(Exception e){   
            log.error(e.getMessage());   
            e.printStackTrace();   
        }   
    }   
}  
